If the major axis of an ellipse is 3 times its minor axis, then its eccentricity is
2/3
√2/3
2√2/3
4√2/3
The focus of the parabola y2 - 8x - 32 = 0 is
(-2, 0)
(0 , 2)
(4 , 0)
(2 , 0)
The equation of normal at the point ( 0 , 3) of the ellipse 9x2 + 5y2 = 45 is.
y - 3 = 0
y + 3 = 0
x - axis
y - axis
The eccentricity of the ellipse 4x2 + 9y2 = 36 is
1/2√3
1/√3
√5/3
√5/6
The distance from the centre of the ellipse to one of the foci and one of the vertices of the ellipse is called
Eccentricity
Ellipse
Focal length
None of these
The tangents drawn at the extremities of a focal chord of a parabola.
Are parallel
Intersect on the directrix
Intersect at angle of 45o
Intersect on the tangent at the vertex
The focal distance of a point on a parabola y2 = 12x is 4.The abscissa of this point is
1
3
5
4
The equation of the ellipse whose latus rectum is 8 and eccentricity 1/√2 , is
If distance between the foci of an ellipse is equal to its minor axis, then eccentricity of the ellipse is
1/√2
1/√4
1/√6
The vertex of the parabola (y - 2)2 = 16 (x - 1) is
(2 , 1)
(1 , -2)
(-1, 2)
(1 , 2)